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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.1
- 수록면
- 1 - 9 (9page)
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초록· 키워드
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Objectives The present study aims to compare the obturation quality of 2 confluence confirmation techniques in artificial maxillary first premolars showing Vertucci type II root canal configuration. Materials and Methods Thirty artificial maxillary premolars having Vertucci type II root canal configuration were made. They were divided into 3 groups according to the confluence confirmation technique as follows. Gutta-percha indentation (GPI) group (confluence confirmation using a gutta-percha cone and a K file); electronic apex locator (EAL) group (confluence confirmation using K files and EAL); and no confluence detection (NCD) group. In the GPI group and the EAL group, shaping and obturation were performed with the modified working length (WL). In the NCD group, shaping was performed without WL adjustment and obturation was carried out with an adjusted master cone. Micro-computed tomography was used before preparation and after obturation to calculate the percentage of gutta-percha occupied volume (%GPv) and the volume increase in the apical 4 mm. Data were analyzed using 1-way analysis of variance and post hoc Tukey's test. Results Statistically significant difference was not found in terms of the %GPv from the apex to apical 4 mm. However, the NCD group showed a statistically significant volume increase compared with the EAL group (p < 0.05). Conclusions In terms of gutta-percha occupied volume, no significant difference was observed among the 3 groups. Confluence confirmation using an EAL in teeth with Vertucci type II configuration showed less volume increase during canal shaping compared with no confluence confirmation.
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참고문헌 (27)
참고문헌 신청
Whitworth J / 2005 / Methods of filling root canals: principles and practices / Endod Topics 12:2~24
Vertucci FJ / 1984 / Root canal anatomy of the human permanent teeth / Oral Surg Oral Med Oral Pathol 58:589~599
Gambarini G / 2018 / Cone-beam computed tomographic analysis on root and canal morphology of mandibular first permanent molar among multiracial population in Western European population / Eur J Dent 12:434~438
Chaparro AJ / 1999 / Number of roots and canals in maxillary first premolars: study of an Andalusian population / Endod Dent Traumatol 15:65~67
Teixeira FB / 2003 / A preliminary in vitro study of the incidence and position of the root canal isthmus in maxillary and mandibular first molars / Int Endod J 36:276~280
Vertucci FJ / 1984 / Root canal anatomy of the human permanent teeth / Oral Surg Oral Med Oral Pathol 58:589~599
Gambarini G / 2018 / Cone-beam computed tomographic analysis on root and canal morphology of mandibular first permanent molar among multiracial population in Western European population / Eur J Dent 12:434~438
Chaparro AJ / 1999 / Number of roots and canals in maxillary first premolars: study of an Andalusian population / Endod Dent Traumatol 15:65~67
Teixeira FB / 2003 / A preliminary in vitro study of the incidence and position of the root canal isthmus in maxillary and mandibular first molars / Int Endod J 36:276~280
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